Hideki Sawaguchi

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital magnetic recording/reproducing apparatus
- Patent number 6,873,665
- Issue date Mar 29, 2005
- Hitachi, Ltd.
- Naoya Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of controlling read write operation of a magnetic disk appar...
- Patent number 6,657,805
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Adjacent track position detectable information storage apparatus
- Patent number 6,327,112
- Issue date Dec 4, 2001
- Hitachi, Ltd.
- Hiroshi Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital magnetic recording/reproducing apparatus
- Patent number 6,320,916
- Issue date Nov 20, 2001
- Hitachi, Ltd.
- Naoya Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with data track reassigning function
- Patent number 6,310,741
- Issue date Oct 30, 2001
- Hitachi, Ltd.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method of controlling read write operation of a magnetic disk appar...
- Publication number 20020030915
- Publication date Mar 14, 2002
- Hitachi, Ltd
- Yasutaka Nishida
- G11 - INFORMATION STORAGE
Information Patent Application
Digital magnetic recording/reproducing apparatus
- Publication number 20010036236
- Publication date Nov 1, 2001
- Naoya Kobayashi
- G11 - INFORMATION STORAGE